MechanicalCharacteristics Dimensions:989mm(L)x551mm(W)x35mm(H) Weight: 7.1kg SolarCells:Monocrystallinesolarcells,36cellsina4x9matrixconnectedinseries Construction:Front:High-transmission3.2mmtemperedglass;Encapsulate:EVA;Back:TPT Frame:ClearanodizedaluminumalloyColor:silver